read the following hypothetical situation: A population of 1,000 birds exists on

Question

read the following hypothetical situation: A population of 1,000 birds exists on a small Pacific island. Some of the birds are yellow, a trait determined by a recessive allele. The others are green, a trait determined by a dominant allele. A hurrican on the island kills most of the birds from this population. Only ten remain, and those birds all have yellow feathers. Which of the following statements is true regarding the hypothetical situaation? Assuming that no new birds coome to the island and no mutations occur, future generations of this population will contain both green and yellow birds. The hurricane has caused a population bottleneck. This situation illustrtes the principle of adaptive radiation. This situation illustrates the founder effect Or, The ten remaining birds will mate only with each other, and will contribute to gene flow in the population.

Explanation / Answer

This is an example of a population bottleneck. Population bottlenecks occur when an event causes a significant loss in population. This could result in a change in genetic diversity of the future population.

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